π¦Έ PDF Compress
π Smart shrink
Free online PDF compressor. Shrink images and resources while keeping text sharp. All local, no uploads, private.
How to Use
- Open this page and enter the compression tool area below
- Drag and drop or select the PDF file you want to compress
- Click Start and wait for intelligent compression to finish
- Download the compressed PDF and compare file sizes
FAQ
Will compression reduce the clarity of my PDF?
The tool uses an intelligent strategy that prioritizes compressing embedded images and redundant resources while keeping vector text intact. For most documents the difference is barely visible to the naked eye. You can zoom in after download to verify.
How large a PDF can I compress?
We recommend keeping individual files under 50 MB. Larger PDFs take longer to process and may hit browser memory limits. For very large files, consider splitting or reducing image density before compressing.
Will my compressed file be uploaded to a server?
No. The entire compression process runs locally in your browser. Your file data never passes through any server. You can safely process documents containing sensitive information.
Why does some PDFs compress very little?
If a PDF is mostly text with few or already highly-compressed images, there is limited room for optimization. Use the PDF Structure Analysis tool to inspect resource proportions before processing.
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